Re: from_collapse_limit vs. geqo_threshold

From: Josh Berkus <josh(at)agliodbs(dot)com>
To: Robert Haas <robertmhaas(at)gmail(dot)com>
Cc: pgsql-hackers(at)postgresql(dot)org
Subject: Re: from_collapse_limit vs. geqo_threshold
Date: 2009-05-21 04:21:40
Message-ID: 4A14D6D4.4090205@agliodbs.com
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Robert,

> It appears that this statement has been in our documentation since Tom
> Lane added FROM_COLLAPSE_LIMIT (back then, it was capitalized) on
> January 25, 2003 (9bf97ff426de9), but I can't find any justification
> for it anywhere. I think we either need to justify this advice, or
> remove it.

... trying to remember why I wrote that ... what would happen if
FROM_COLLAPSE_LIMIT was *more* than GEQO_THRESHOLD?

--
Josh Berkus
PostgreSQL Experts Inc.
www.pgexperts.com

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